Light bulb



FIG. 1 is a top perspective view of the light bulb;

FIG. 2 is a first side view of the light bulb;

FIG. 3 shows a second side view of the light bulb;

FIG. 4 shows a third side view of the light bulb;

FIG. 5 shows a fourth side view of the light bulb;

FIG. 6 shows a top view of the light bulb; and,

FIG. 7 shows a bottom view of the light bulb. 

CLAIM I claim the ornamental design for a light bulb, as shown and described. 